# encoding: utf-8
# @Author: zsl
# @Time  : 2024/10/31 22:47
# @Desc : if-elif-else 语句
age = 12
# if age < 4:
#     print("Your admission cost is $0.")
# elif age < 18:
#     print("Your admission cost is $25.")
# else:
#     print("Your admission cost is $40.")

if age < 4:
    price = 0
elif age < 18:
    price = 25
elif age < 65:
    price = 40
else:
    price = 20
print(f"Your admission cost is ${price}.")
